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Patent Information
Title
円形鋼管及びその製造方法
Author
KIKUO IKARASHI
.
Kind
Patent
Status
Published
Applicant
国立大学法人東京工業大学.
Filing Date
2022/10/04
Application Number
特願2022-160388
Unexamined Application Date
2024/04/16
Publication Number
特開2024-053896
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